13638862957 has 8 divisors (see below), whose sum is σ = 13743475200. Its totient is φ = 13534425360.

The previous prime is 13638862933. The next prime is 13638862997. The reversal of 13638862957 is 75926883631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13638862957 - 2¹¹ = 13638860909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13638862907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115332 + ... + 201442.

It is an arithmetic number, because the mean of its divisors is an integer number (1717934400).

Almost surely, 2^13638862957 is an apocalyptic number.

It is an amenable number.

13638862957 is a deficient number, since it is larger than the sum of its proper divisors (104612243).

13638862957 is a wasteful number, since it uses less digits than its factorization.

13638862957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87323.

The product of its digits is 13063680, while the sum is 58.

The spelling of 13638862957 in words is "thirteen billion, six hundred thirty-eight million, eight hundred sixty-two thousand, nine hundred fifty-seven".